From: Florian Forster <octo@leeloo.lan.home.verplant.org>
Date: Fri, 2 Oct 2009 09:35:43 +0000 (+0200)
Subject: df plugin: Implement the "ReportInodes" option.
X-Git-Tag: collectd-4.9.0~57
X-Git-Url: https://git.octo.it/?p=collectd.git;a=commitdiff_plain;h=af9b05b8c7651d01a46c5af9b9a56192e0f4adde

df plugin: Implement the "ReportInodes" option.

This option can be used to enable / disable inode statistics collection.

Defaults to "false" for now.
---

diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod
index 7a641895..ae56da3d 100644
--- a/src/collectd.conf.pod
+++ b/src/collectd.conf.pod
@@ -899,6 +899,15 @@ set to "free", "reserved" and "used" as appropriate.
 
 Enabling this option is recommended.
 
+=item B<ReportInodes> B<true>|B<false>
+
+Enables or disables reporting of free, reserved and used inodes. Defaults to
+inode collection being disabled.
+
+Enable this option if inodes are a scarce resource for you, usually because
+many small files are stored on the disk. This is a usual scenario for mail
+transfer agents and web caches.
+
 =back
 
 =head2 Plugin C<disk>
diff --git a/src/df.c b/src/df.c
index 66daab26..62775fd2 100644
--- a/src/df.c
+++ b/src/df.c
@@ -51,7 +51,8 @@ static const char *config_keys[] =
 	"FSType",
 	"IgnoreSelected",
 	"ReportByDevice",
-	"ReportReserved"
+	"ReportReserved",
+	"ReportInodes"
 };
 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
 
@@ -61,6 +62,7 @@ static ignorelist_t *il_fstype = NULL;
 
 static _Bool by_device = false;
 static _Bool report_reserved = false;
+static _Bool report_inodes = false;
 
 static int df_init (void)
 {
@@ -128,6 +130,15 @@ static int df_config (const char *key, const char *value)
 
 		return (0);
 	}
+	else if (strcasecmp (key, "ReportInodes") == 0)
+	{
+		if (IS_TRUE (value))
+			report_inodes = true;
+		else
+			report_inodes = false;
+
+		return (0);
+	}
 
 
 	return (-1);
@@ -292,6 +303,7 @@ static int df_read (void)
 		}
 
 		/* inode handling */
+		if (report_inodes)
 		{
 			uint64_t inode_free;
 			uint64_t inode_reserved;